In this tutorial we will see about the iterator interface and its functionality.We will create an example for the Iterator

• Java List Iterator is an interface in the collection framework
• It traverses through all the elements of the collection.
• It works like enumeration.
• It has methods hasNext() and next().

Example of Java List Iterator

import java.util.*;

public class iterator {

	public static void main(String[] args) {
		List list = new ArrayList();
		for (int i = 0; i < 5; i++) {
			list.add(new Random().nextInt(100));
		}
		Iterator i = list.iterator();
		while (i.hasNext()) {
			System.out.print(i.next() + "\t");
		}
	}
}

Output

39 73 87 49 1

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